Air compressor



FIG. 1 is a top-rear perspective view of an air compressor showing mynew design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a top-front perspective view thereof.

The dashed broken lines in the figures illustrate portions of the aircompressor that form no part of the claimed design.

CLAIM The ornamental design for an air compressor, as shown anddescribed.